Features: 4K web camera, 38402160 resolution, providing superior sharpness and image quality. Auto focus, no manually adjust required, it will automatically adjust to the most suitable focal length. Equipped with LED touch fill light lamp, three levels of brightness adjustable, you will get videos and images in day and night. Built-in noise reduction chip and microphone for clear calls, the voice can be heard clearly when you have a video chat or video conference with others. 360° rotation, you can adjust the viewing angle freely to meet your needs. USB interface, plug and play, no driver required, convenient to use. Specification: Name: USB webcam Focus mode: Auto focus Image resolution: 4K, 38402160 Microphone: Built-in microphone USB interface: Compatible with USB2.0/USB3.0 Video frame rate: 30FPS Lighting requirement: 10Lux above Output image format: YUV2(YUYV)/MJPEG Cable length: Approx.1.5m System requirement: WinXP/Vista/Win7/Win8/Win10, Linux with UVC(above linux-2.6.26),